openai/codex

1 articles

Prerequisites

›Basic Rust knowledge (crates, workspaces, Cargo.toml)
›Familiarity with CLI tools and terminal-based workflows
›General understanding of monorepo project structures

Codex CLI Architecture: A Map for the 90-Crate Rust Monorepo

A high-level tour of the Codex CLI repository structure, explaining how ~90 Rust crates are organized, how the npm shim distributes native binaries, the busybox-style argv[0] dispatch pattern, and key contributor conventions.